built-in typescript support

package.json

@@ -6,6 +6,7 @@
   "license": "ISC",
   "homepage": "https://github.com/merencia/node-cron",
   "main": "src/node-cron.js",
+  "types": "src/index.d.ts",
   "scripts": {
     "test": "nyc --reporter=html --reporter=text mocha --recursive",
     "lint": "./node_modules/.bin/eslint ./src ./test",

src/index.d.ts

@@ -0,0 +1,37 @@
+// Definitions by: morsic <https://github.com/maximelkin>,
+//                 burtek <https://github.com/burtek>,
+//                 Richard Honor <https://github.com/RMHonor>
+//                 Ata Berk YILMAZ <https://github.com/ataberkylmz>
+//                 Alex Seidmann <https://github.com/aseidma>
+
+import EventEmitter from 'events';
+
+export function schedule(cronExpression: string, func: (now: Date) => void, options?: ScheduleOptions): ScheduledTask;
+
+export function validate(cronExpression: string): boolean;
+
+export function getTasks(): Map<string, ScheduledTask>;
+
+export interface ScheduledTask extends EventEmitter {
+    start: () => this;
+    stop: () => this;
+}
+
+export interface ScheduleOptions {
+    /**
+     * A boolean to set if the created task is scheduled.
+     *
+     * Defaults to `true`
+     */
+    scheduled?: boolean | undefined;
+    /**
+     * The timezone that is used for job scheduling
+     */
+    timezone?: string;
+    /**
+     * Specifies whether to recover missed executions instead of skipping them.
+     *
+     * Defaults to `false`
+     */
+    recoverMissedExecutions?: boolean;
+}